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  <pre class="prettyprint lang-js"><span id='Ext-form-RadioGroup-method-constructor'><span id='Ext-form-RadioGroup'>/**
</span></span> * @class Ext.form.RadioGroup
 * @extends Ext.form.CheckboxGroup
 * A grouping container for {@link Ext.form.Radio} controls.
 * @constructor
 * Creates a new RadioGroup
 * @param {Object} config Configuration options
 * @xtype radiogroup
 */
Ext.form.RadioGroup = Ext.extend(Ext.form.CheckboxGroup, {
<span id='Ext-form-RadioGroup-cfg-items'>    /**
</span>     * @cfg {Array} items An Array of {@link Ext.form.Radio Radio}s or Radio config objects
     * to arrange in the group.
     */
<span id='Ext-form-RadioGroup-cfg-allowBlank'>    /**
</span>     * @cfg {Boolean} allowBlank True to allow every item in the group to be blank (defaults to true).
     * If allowBlank = false and no items are selected at validation time, {@link @blankText} will
     * be used as the error text.
     */
    allowBlank : true,
<span id='Ext-form-RadioGroup-cfg-blankText'>    /**
</span>     * @cfg {String} blankText Error text to display if the {@link #allowBlank} validation fails
     * (defaults to 'You must select one item in this group')
     */
    blankText : 'You must select one item in this group',
    
<span id='Ext-form-RadioGroup-property-defaultType'>    // private
</span>    defaultType : 'radio',
    
<span id='Ext-form-RadioGroup-property-groupCls'>    // private
</span>    groupCls : 'x-form-radio-group',
    
<span id='Ext-form-RadioGroup-event-change'>    /**
</span>     * @event change
     * Fires when the state of a child radio changes.
     * @param {Ext.form.RadioGroup} this
     * @param {Ext.form.Radio} checked The checked radio
     */
    
<span id='Ext-form-RadioGroup-method-getValue'>    /**
</span>     * Gets the selected {@link Ext.form.Radio} in the group, if it exists.
     * @return {Ext.form.Radio} The selected radio.
     */
    getValue : function(){
        var out = null;
        this.eachItem(function(item){
            if(item.checked){
                out = item;
                return false;
            }
        });
        return out;
    },
    
<span id='Ext-form-RadioGroup-method-onSetValue'>    /**
</span>     * Sets the checked radio in the group.
     * @param {String/Ext.form.Radio} id The radio to check.
     * @param {Boolean} value The value to set the radio.
     * @return {Ext.form.RadioGroup} this
     */
    onSetValue : function(id, value){
        if(arguments.length &gt; 1){
            var f = this.getBox(id);
            if(f){
                f.setValue(value);
                if(f.checked){
                    this.eachItem(function(item){
                        if (item !== f){
                            item.setValue(false);
                        }
                    });
                }
            }
        }else{
            this.setValueForItem(id);
        }
    },
    
<span id='Ext-form-RadioGroup-method-setValueForItem'>    setValueForItem : function(val){
</span>        val = String(val).split(',')[0];
        this.eachItem(function(item){
            item.setValue(val == item.inputValue);
        });
    },
    
<span id='Ext-form-RadioGroup-method-fireChecked'>    // private
</span>    fireChecked : function(){
        if(!this.checkTask){
            this.checkTask = new Ext.util.DelayedTask(this.bufferChecked, this);
        }
        this.checkTask.delay(10);
    },
    
<span id='Ext-form-RadioGroup-method-bufferChecked'>    // private
</span>    bufferChecked : function(){
        var out = null;
        this.eachItem(function(item){
            if(item.checked){
                out = item;
                return false;
            }
        });
        this.fireEvent('change', this, out);
    },
    
<span id='Ext-form-RadioGroup-method-onDestroy'>    onDestroy : function(){
</span>        if(this.checkTask){
            this.checkTask.cancel();
            this.checkTask = null;
        }
        Ext.form.RadioGroup.superclass.onDestroy.call(this);
    }

});

Ext.reg('radiogroup', Ext.form.RadioGroup);
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